262653971 has 2 divisors, whose sum is σ = 262653972. Its totient is φ = 262653970.

The previous prime is 262653953. The next prime is 262653973. The reversal of 262653971 is 179356262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 262653971 - 2¹⁰ = 262652947 is a prime.

Together with 262653973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (262653973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131326985 + 131326986.

It is an arithmetic number, because the mean of its divisors is an integer number (131326986).

Almost surely, 2^262653971 is an apocalyptic number.

262653971 is a deficient number, since it is larger than the sum of its proper divisors (1).

262653971 is an equidigital number, since it uses as much as digits as its factorization.

262653971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 41.

The square root of 262653971 is about 16206.6026976662. The cubic root of 262653971 is about 640.4147466311.

The spelling of 262653971 in words is "two hundred sixty-two million, six hundred fifty-three thousand, nine hundred seventy-one".